The Kermadec Islands are a subtropical island arc in the South Pacific Ocean 800–1,000 km northeast of New Zealand's North Island, and a similar distance southwest of Tonga. The islands are part of New Zealand. They are 33.6 km² in total area and uninhabited, except for the permanently staffed Raoul Island Station, the northernmost outpost o…The Kermadec Islands are a subtropical island arc in the South Pacific Ocean 800–1,000 km northeast of New Zealand's North Island, and a similar distance southwest of Tonga. The islands are part of New Zealand. They are 33.6 km² in total area and uninhabited, except for the permanently staffed Raoul Island Station, the northernmost outpost of New Zealand.